A 33-year-old woman was allegedly gangraped by three persons in Uttar Pradesh, one of them a schoolteacher, who later left her tied to a tree in naked condition, police said today.

The incident took place in Umarda area here, on the intervening night of August 16-17 when three persons raped her and, then, left her tied naked to a tree before fleeing the spot, the FIR lodged by the victim said.

Umarda police station officer Imran Khan said that one person has been detained in this connection, adding that, the accused schoolteacher is the son of village head.

The woman has been admitted to a hospital, where her condition was stated to be stable, he said.